11. At Price Chopper you are purchasing groceries and the bill comes out to be

Mathematics

1 answer:

Vinil7 [7]3 years ago

4 0

9514 1404 393

Answer:

$181.19

Step-by-step explanation:

The coupon means you will pay 70% of the bill. The tax means you will pay 105.65% of the amount after the coupon is applied. Your final bill is ...

$245 × 0.70 × 1.0565 ≈ $181.19

_____

Your bill after the coupon is applied will be ...

bill - 0.30×bill = bill(1 - 0.30) = bill×0.70

The amount after tax is added is ...

charge + 0.0565×charge = charge(1 +0.0565) = charge×1.0565

Since the final bill is the product of these factors, the order of application does not matter. Conventionally, tax is applied last, so that accounting with the tax collection authority is properly maintained.

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The parent function is $f(x) = \sqrt{x}$ .
<u>As x increases, it's value increases. In the graph, as x increases, it decreases</u>, thus it was multiplied by -1, that is, $-f(x)$ .
The parent function is defined for $x \geq 0$ , and the same is valid for the function in the graph, thus we have $f(x)$ and not $f(-x)$ .
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